must legalise
Regular verb: legalise - legalised- legalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must legalise
you must legalise
she must legalise
we must legalise
you must legalise
they must legalise 	I must be legalising
you must be legalising
she must be legalising
we must be legalising
you must be legalising
they must be legalising	I must have legalised
you must have legalised
she must have legalised
we must have legalised
you must have legalised
they must have legalised	I must have been legalising
you must have been legalising
she must have been legalising
we must have been legalising
you must have been legalising
they must have been legalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't legalise
you mustn't legalise
she mustn't legalise
we mustn't legalise
you mustn't legalise
they mustn't legalise 	I mustn't be legalising
you mustn't be legalising
she mustn't be legalising
we mustn't be legalising
you mustn't be legalising
they mustn't be legalising	I mustn't have legalised
you mustn't have legalised
she mustn't have legalised
we mustn't have legalised
you mustn't have legalised
they mustn't have legalised	I mustn't have been legalising
you mustn't have been legalising
she mustn't have been legalising
we mustn't have been legalising
you mustn't have been legalising
they mustn't have been legalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I legalise?
must you legalise?
must she legalise?
must we legalise?
must you legalise?
must they legalise? 	must I be legalising?
must you be legalising?
must she be legalising?
must we be legalising?
must you be legalising?
must they be legalising? 	must I have legalised?
must you have legalised?
must she have legalised?
must we have legalised?
must you have legalised?
must they have legalised? 	must I have been legalising?
must you have been legalising?
must she have been legalising?
must we have been legalising?
must you have been legalising?
must they have been legalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I legalise?
mustn't you legalise?
mustn't she legalise?
mustn't we legalise?
mustn't you legalise?
mustn't they legalise? 	mustn't I be legalising?
mustn't you be legalising?
mustn't she be legalising?
mustn't we be legalising?
mustn't you be legalising?
mustn't they be legalising? 	mustn't I have legalised?
mustn't you have legalised?
mustn't she have legalised?
mustn't we have legalised?
mustn't you have legalised?
mustn't they have legalised? 	mustn't I have been legalising?
mustn't you have been legalising?
mustn't she have been legalising?
mustn't we have been legalising?
mustn't you have been legalising?
mustn't they have been legalising?